J / jactātor
noun

jactātor

gen. jactātōris · gender masculine · decl. 3rd
one who makes an ostentatious display of himself, a boaster, braggart poetic
one who makes an ostentatious display of himself, a boaster, braggart: rerum a se gestarum, Quint. 11, 1, 17: civilitatis, Suet. Claud. 35; Stat. Th. 6, 837; Gell. 18, 4, 1.—Poet., with inf.: ille sub hiberno somnos educere caelo Jactator, he boasts, Sil. 11, 403.